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Anonymous committed 7284a8d

Borrowing some code from OSCore...

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  • Parent commits 08418e1

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File src/core/java/com/opensymphony/oscache/util/ClassLoaderUtil.java

+/*
+ * Copyright (c) 2002-2003 by OpenSymphony
+ * All rights reserved.
+ */
+package com.opensymphony.oscache.util;
+
+
+/**
+ * <p>This code is borrowed directly from OSCore, but is duplicated
+ * here to avoid having to add a dependency on the entire OSCore jar.</p>
+ *
+ * <p>If much more code from OSCore is needed then it might be wiser to
+ * bite the bullet and add a dependency.</p>
+ */
+public class ClassLoaderUtil {
+    /**
+     * Load a class with a given name.
+     *
+     * It will try to load the class in the following order:
+     * <ul>
+     *  <li>From Thread.currentThread().getContextClassLoader()
+     *  <li>Using the basic Class.forName()
+     *  <li>From ClassLoaderUtil.class.getClassLoader()
+     *  <li>From the callingClass.getClassLoader()
+     * </ul>
+     *
+     * @param className The name of the class to load
+     * @param callingClass The Class object of the calling object
+     * @throws ClassNotFoundException If the class cannot be found anywhere.
+     */
+    public static Class loadClass(String className, Class callingClass) throws ClassNotFoundException {
+        try {
+            return Thread.currentThread().getContextClassLoader().loadClass(className);
+        } catch (ClassNotFoundException e) {
+            try {
+                return Class.forName(className);
+            } catch (ClassNotFoundException ex) {
+                try {
+                    return ClassLoaderUtil.class.getClassLoader().loadClass(className);
+                } catch (ClassNotFoundException exc) {
+                    return callingClass.getClassLoader().loadClass(className);
+                }
+            }
+        }
+    }
+}